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13181 Peneleos (1996 RS28)
Classification: Jupiter Trojan          SPK-ID: 2013181
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136312049839525 6.1857e-08  
a 5.21587831783858 1.2289e-07 au
q 4.50489125262047 3.2185e-07 au
i 2.545025570319049 9.4933e-06 deg
node 10.99628628455311 0.00014831 deg
peri 104.1290638654169 0.00015475 deg
M 110.2987223422011 4.1363e-05 deg
tp 2456067.415789464027
(2012-May-19.91578946)
0.00048775 JED
period 4351.005212046169
11.91
0.00015377
4.21e-07
d
yr
n .08273950097860285 2.9241e-09 deg/d
Q 5.926865383056691 1.3964e-07 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      13602 days (37.24 yr)  
   first obs. used      1978-03-15  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53468  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:11:28  

Additional Information
 Earth MOID = 3.52237 au 
 Jupiter MOID = .195827 au 
 T_jup = 2.979 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0 mag n/a MPO302147  

13181 Peneleos           Discovered 1996 Sept. 11 at the European Southern Observatory during the Uppsala-DLR Trojan Survey.
Peneleos, leader of Boeotia, killed by Eurypylus, is said to have been one of those inside the wooden horse.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1996 RS28 = 1978 EW8 = 1997 UY11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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